Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø50mm bore and 300mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ50 mm
- Stroke300 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU
The AirTAC MBLC50X300SU is a double-acting, 50mm bore mini cylinder with a 300mm stroke. It generates 981 N of push force and 881 N of pull force at 0.5 MPa, making it well-suited for moving heavier fixtures over longer linear travel. Unlike the base MBL series, this variant features a screw-adjustable pneumatic cushion at both ends, allowing you to fine-tune end-of-stroke deceleration to protect the end covers and reduce vibration during high-speed or heavy-mass cycling.
This SKU includes a built-in magnet (-S) for non-contact position detection using CMSG reed or DMSG and EMSG solid-state switches. It uses a G1/4 port and an M14x1.5 rod-end thread. The riveted rolling-packed aluminum barrel keeps the body compact and lightweight, while the 20 µm hard-chrome plated carbon-steel rod resists wear alongside the heterogeneous two-way grease-retaining piston seal. The U flat-end back cover provides rigid rear mounting.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Rubber bumper (MBLC variant: adjustable air cushion) |
| Max stroke | Up to 500 mm |
Specifications follow the official AirTAC MBL series datasheet. Confirm against the product label before installation. Standard stroke to 500 mm (special order to 800 mm). Thread options: PT / G / NPT.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: MBLC (adjustable cushion), MBLD (double rod), MBLJ (adjustable stroke), MSBL/MTBL (single acting).
Where the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU Is Used
Pallet Transfer Line Diverter
Uses the 981 N push force at 0.5 MPa to deflect heavy wooden pallets onto a side spur line, relying on the adjustable air cushion to prevent end-cover damage during fast 300mm strokes.
Corrugated Box Stacker
Lifts stacked cardboard packaging using the 881 N pull force, where the built-in magnet (-S) triggers a DMSG solid-state sensor to confirm the lift position before the conveyor advances.
Injection Mold Core Pull
Extracts heavy mold cores over the 300mm travel distance, utilizing the tunable pneumatic cushion to smoothly decelerate the 16mm hard-chrome rod and prevent impact shock on the mold plates.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU the Right Cylinder?
At 0.5 MPa, this 50mm bore produces 981 N push and 881 N pull force. If your application requires less force, stepping down to the 40mm bore yields 628 N push and 528 N pull. If you need more power, the 63mm bore provides 1558 N push and 1457 N pull. Choose this MBLC cushioned version over the fixed rubber bumper MBL when moving heavy masses at high cycling frequencies that would prematurely wear out a standard bumper. Remember that the adjustable air cushion only decelerates the piston near the stroke ends; it is not a brake or load lock. If you need to hold position without live air pressure, you must add an external rod lock or pilot-operated check valve.
Because this model features a 300mm stroke, the 16mm rod is highly susceptible to bending under side loads. For this length, you must use an external guide rail, select a CA or SDB pivot mounting to accommodate arcing loads, or switch to an MBLD double-rod cylinder to prevent premature seal failure and rod scoring. Replacement parts must match the 50mm bore, 300mm stroke, G1/4 port, PT thread, U flat-end back cover, and -S magnet configuration.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB / FA / SDB) and back cover (CA pivot / U flat-end).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X300SU FAQ
At 0.5 MPa, the push force is 981 N and the pull force is 881 N. At 0.7 MPa, the push force is 1374 N and the pull force is 1233 N. The maximum theoretical force is 200 kgf at 1.0 MPa, which is the upper operating pressure limit for this cylinder.
The MBLC50X300SU features a screw-tunable pneumatic cushion at both ends. You adjust the needle valve to match your specific load and speed, which traps exhaust air to smoothly decelerate the piston near the stroke ends. This reduces impact, noise, and vibration compared to a fixed rubber bumper, but it does not lock or hold the load in place without air pressure.
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